{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954705651",
    "entityType": "User",
    "nonce": "0x3240d20cab49dc6a2303104eb7632aeab85e9e515b21c51ba53291cf704858b6",
    "signature": "0x25bd119c79e73eaec480b517a96780264775398c4bdc9196e56ffa99be23c0a2173d6a75beab850a86f14c591e357e755f5ef4a18ab977a384e0dacb9c38f2141b",
    "signer": "0x401225235d5AeCc31ddD1200b6A5597442b14a9e",
    "userId": "41709426"
  }
}